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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.9 mag strikes near Buldir Island in Alaska

Earthquake location 52.65S, 175.1853WA minor earthquake with magnitude 3.9 (ml/mb) was reported 59 km WNW of Buldir Island, Alaska (37 miles) on Saturday. Global date and time of event UTC/GMT: 22/12/18 / 2018-12-22 00:47:25 / December 22, 2018 @ 12:47 am. Event id: us2000j2jh. Ids that are associated to the earthquake: us2000j2jh. The 3.9-magnitude earthquake has occurred at 12:47:25 / 12:47 pm (local time epicenter). Exact location, longitude 175.1853° East, latitude 52.65° North, depth = 72.1 km. The earthquake occurred at a depth of 72.1 km (45 miles) below the earth’s surface.

Every year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days seven earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 59 km WNW of Buldir Island, Alaska.

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More information

Parameter Value Description
Magnitude 3.9 mb The magnitude for the event.
Longitude 175.1853° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.65° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 72.1 km Depth of the event in kilometers.
Place 59km WNW of Buldir Island, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-12-22 00:47:25 Time when the event occurred. UTC/GMT
Updated 2019-01-12 03:31:45 Time when the event was most recently updated. UTC/GMT
Timezone offset 720 Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI The maximum reported intensity for the event.
MMI The maximum estimated instrumental intensity for the event.
Alert Level The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status reviewed Indicates whether the event has been reviewed by a human.
Tsunami 0 This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG 234 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.665 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.61 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 181 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us2000j2jh Id of event.
Event Code 2000j2jh An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000j2jh, A comma-separated list of event ids that are associated to an event.

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